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#!/bin/sh
# Package up an ELF binary generated by Mu into a bootable ISO image with a
# Linux kernel.
#
# Must be run on Linux, and from the top-level mu/ directory.
#
# Dependencies:
#   apt install build-essential flex bison wget libelf-dev libssl-dev xorriso
#
# Based on http://minimal.linux-bg.org (GPLv3)

set -e

if [ $# -ne 1 ]
then
  echo "Usage: `basename $0` <elf file>"
  exit 1
fi

echo "=== constructing initramfs out of SubX binary"
rm -rf tmp_linux/isoimage
mkdir -p tmp_linux/isoimage/boot
cp -i $1 init
echo init | cpio -R root:root -H newc -o | xz -9 --check=none > tmp_linux/isoimage/boot/rootfs.xz
rm init

if [ ! -d kernel.linux ]
then
  echo "=== cloning linux kernel"
  git clone https://github.com/akkartik/kernel kernel.linux
fi

echo "=== building linux kernel"
( cd kernel.linux
  make bzImage -j $(grep ^processor /proc/cpuinfo | wc -l)
)
cp *.linux/arch/x86/boot/bzImage tmp_linux/isoimage/boot/kernel.xz

echo "=== downloading syslinux"
test -f tmp_linux/syslinux-6.03.tar.xz  ||  wget https://kernel.org/pub/linux/utils/boot/syslinux/syslinux-6.03.tar.xz -P tmp_linux
echo "=== unpacking syslinux"
tar xf tmp_linux/syslinux-*.tar.xz -C tmp_linux

mkdir -p tmp_linux/isoimage/boot/syslinux
cp tools/iso/syslinux.cfg \
   tmp_linux/syslinux-*/bios/core/isolinux.bin \
   tmp_linux/syslinux-*/bios/com32/elflink/ldlinux/ldlinux.c32 \
   tmp_linux/isoimage/boot/syslinux

echo "=== generating mu_linux.iso"
# 'hybrid' ISO can also be used on non-optical media such as a disk or USB stick
xorriso -as mkisofs \
  -isohybrid-mbr tmp_linux/syslinux-*/bios/mbr/isohdpfx.bin \
  -c boot/syslinux/boot.cat \
  -b boot/syslinux/isolinux.bin \
    -no-emul-boot \
    -boot-load-size 4 \
    -boot-info-table \
  tmp_linux/isoimage -o mu_linux.iso
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-11-29 02:45:40 +0000
* Some attributes of screen cells that can be combined with colors using * bitwise-OR. */ #define TB_BOLD 0x0100 #define TB_UNDERLINE 0x0200 #define TB_REVERSE 0x0400 /* Initialize screen and keyboard. */ int tb_init(void); /* Possible error codes returned by tb_init() */ #define TB_EUNSUPPORTED_TERMINAL -1 #define TB_EFAILED_TO_OPEN_TTY -2 /* Termbox uses unix pipes in order to deliver a message from a signal handler * (SIGWINCH) to the main event reading loop. */ #define TB_EPIPE_TRAP_ERROR -3 /* Restore terminal mode. */ void tb_shutdown(void); int tb_is_active(void); /* Size of the screen. Return negative values before tb_init() or after * tb_shutdown() */ int tb_width(void); int tb_height(void); /* Clear the screen using either TB_DEFAULT or the color/attributes set by * tb_set_clear_attributes(). */ void tb_clear(void); void tb_set_clear_attributes(uint16_t fg, uint16_t bg); /* Move the cursor. Upper-left character is (0, 0). */ void tb_set_cursor(int cx, int cy); /* Modify the screen at the cursor. */ void tb_print(uint32_t ch, uint16_t fg, uint16_t bg); /*** 2. Controlling keyboard events. */ struct tb_event { uint8_t type; /* fields for type TB_EVENT_KEY. At most one of 'key' and 'ch' will be set at * any time. */ uint16_t key; uint32_t ch; /* fields for type TB_EVENT_RESIZE */ int32_t w; int32_t h; /* fields for type TB_EVENT_MOUSE */ int32_t x; int32_t y; }; /* Possible values for tb_event.type. */ #define TB_EVENT_KEY 1 #define TB_EVENT_RESIZE 2 #define TB_EVENT_MOUSE 3 /* Possible values for tb_event.key. */ #define TB_KEY_F1 (0xFFFF-0) #define TB_KEY_F2 (0xFFFF-1) #define TB_KEY_F3 (0xFFFF-2) #define TB_KEY_F4 (0xFFFF-3) #define TB_KEY_F5 (0xFFFF-4) #define TB_KEY_F6 (0xFFFF-5) #define TB_KEY_F7 (0xFFFF-6) #define TB_KEY_F8 (0xFFFF-7) #define TB_KEY_F9 (0xFFFF-8) #define TB_KEY_F10 (0xFFFF-9) #define TB_KEY_F11 (0xFFFF-10) #define TB_KEY_F12 (0xFFFF-11) #define TB_KEY_INSERT (0xFFFF-12) #define TB_KEY_DELETE (0xFFFF-13) #define TB_KEY_HOME (0xFFFF-14) #define TB_KEY_END (0xFFFF-15) #define TB_KEY_PGUP (0xFFFF-16) #define TB_KEY_PGDN (0xFFFF-17) #define TB_KEY_ARROW_UP (0xFFFF-18) #define TB_KEY_ARROW_DOWN (0xFFFF-19) #define TB_KEY_ARROW_LEFT (0xFFFF-20) #define TB_KEY_ARROW_RIGHT (0xFFFF-21) #define TB_KEY_MOUSE_LEFT (0xFFFF-22) #define TB_KEY_MOUSE_RIGHT (0xFFFF-23) #define TB_KEY_MOUSE_MIDDLE (0xFFFF-24) #define TB_KEY_MOUSE_RELEASE (0xFFFF-25) #define TB_KEY_MOUSE_WHEEL_UP (0xFFFF-26) #define TB_KEY_MOUSE_WHEEL_DOWN (0xFFFF-27) #define TB_KEY_START_PASTE (0xFFFF-28) #define TB_KEY_END_PASTE (0xFFFF-29) #define TB_KEY_CTRL_ARROW_UP (0xFFFF-30) #define TB_KEY_CTRL_ARROW_DOWN (0xFFFF-31) #define TB_KEY_CTRL_ARROW_LEFT (0xFFFF-32) #define TB_KEY_CTRL_ARROW_RIGHT (0xFFFF-33) #define TB_KEY_SHIFT_TAB (0xFFFF-34) /* Names for some of the possible values for tb_event.ch. */ /* These are all ASCII code points below SPACE character and a BACKSPACE key. */ #define TB_KEY_CTRL_TILDE 0x00 #define TB_KEY_CTRL_2 0x00 /* clash with 'CTRL_TILDE' */ #define TB_KEY_CTRL_A 0x01 #define TB_KEY_CTRL_B 0x02 #define TB_KEY_CTRL_C 0x03 #define TB_KEY_CTRL_D 0x04 #define TB_KEY_CTRL_E 0x05 #define TB_KEY_CTRL_F 0x06 #define TB_KEY_CTRL_G 0x07 #define TB_KEY_BACKSPACE 0x08 #define TB_KEY_CTRL_H 0x08 /* clash with 'CTRL_BACKSPACE' */ #define TB_KEY_TAB 0x09 #define TB_KEY_CTRL_I 0x09 /* clash with 'TAB' */ #define TB_KEY_CTRL_J 0x0A #define TB_KEY_CTRL_K 0x0B #define TB_KEY_CTRL_L 0x0C #define TB_KEY_ENTER 0x0D #define TB_KEY_CTRL_M 0x0D /* clash with 'ENTER' */ #define TB_KEY_CTRL_N 0x0E #define TB_KEY_CTRL_O 0x0F #define TB_KEY_CTRL_P 0x10 #define TB_KEY_CTRL_Q 0x11 #define TB_KEY_CTRL_R 0x12 #define TB_KEY_CTRL_S 0x13 #define TB_KEY_CTRL_T 0x14 #define TB_KEY_CTRL_U 0x15 #define TB_KEY_CTRL_V 0x16 #define TB_KEY_CTRL_W 0x17 #define TB_KEY_CTRL_X 0x18 #define TB_KEY_CTRL_Y 0x19 #define TB_KEY_CTRL_Z 0x1A #define TB_KEY_ESC 0x1B #define TB_KEY_CTRL_LSQ_BRACKET 0x1B /* clash with 'ESC' */ #define TB_KEY_CTRL_3 0x1B /* clash with 'ESC' */ #define TB_KEY_CTRL_4 0x1C #define TB_KEY_CTRL_BACKSLASH 0x1C /* clash with 'CTRL_4' */ #define TB_KEY_CTRL_5 0x1D #define TB_KEY_CTRL_RSQ_BRACKET 0x1D /* clash with 'CTRL_5' */ #define TB_KEY_CTRL_6 0x1E #define TB_KEY_CTRL_7 0x1F #define TB_KEY_CTRL_SLASH 0x1F /* clash with 'CTRL_7' */ #define TB_KEY_CTRL_UNDERSCORE 0x1F /* clash with 'CTRL_7' */ #define TB_KEY_SPACE 0x20 #define TB_KEY_BACKSPACE2 0x7F #define TB_KEY_CTRL_8 0x7F /* clash with 'DELETE' */ /* These are non-existing ones. * * #define TB_KEY_CTRL_1 clash with '1' * #define TB_KEY_CTRL_9 clash with '9' * #define TB_KEY_CTRL_0 clash with '0' */ /* Some aliases */ #define TB_KEY_NEWLINE TB_KEY_CTRL_J #define TB_KEY_CARRIAGE_RETURN TB_KEY_CTRL_M /* Wait for an event up to 'timeout' milliseconds and fill the 'event' * structure with it, when the event is available. Returns the type of the * event (one of TB_EVENT_* constants) or -1 if there was an error or 0 in case * there were no event during 'timeout' period. */ int tb_peek_event(struct tb_event *event, int timeout); /* Wait for an event forever and fill the 'event' structure with it, when the * event is available. Returns the type of the event (one of TB_EVENT_* * constants) or -1 if there was an error. */ int tb_poll_event(struct tb_event *event); int tb_event_ready(void); /*** 3. Utility utf8 functions. */ #define TB_EOF -1 int tb_utf8_char_length(char c); int tb_utf8_char_to_unicode(uint32_t *out, const char *c); int tb_utf8_unicode_to_char(char *out, uint32_t c); const char* to_unicode(uint32_t c); #ifdef __cplusplus } #endif
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-11-29 02:45:37 +0000